Average sea level rise trends along the Indian west coast has been about 3.0 mm/year during the last two decades, the Rajya Sabha was informed today.
In a written reply, Minister of State (Independent Charge) for Science and Technology and Earth Sciences Jitendra Singh said sea level rise was a very slow phenomenon and could be because of physical factors like normal subsidence, coastal erosion and siltation of river channels along the coastline apart from global warming. An isolated incident of flooding on the Morjim beach during January 2-6, 2014 occurred around midnight for 3-4 consecutive days, largely coinciding with the highest high tide (spring tide) of the year as per the gravitational tidal prediction tables of 2014. The study conducted by the Pune based Central Water and Power Research Station (Union Ministry of Water Resources’ Research) found out that over the years, problems of coastal erosion has accelerated and presently about 25 kms was affected.
Appropriate protection measures were addressed jointly by respective state governments and the Coastal Protection and Development Advisory Committee (CPDAC) of the Central Water Commission. Earth System Science Organisation (ESSO), Indian National Centre for Ocean Information Services (INCOIS) and Survey of India continuously monitor the sea level measurements all along the Indian coastline, Dr Singh said.
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